CN1866684A - Eccentric rotor and vibration motor having the rotor - Google Patents
Eccentric rotor and vibration motor having the rotor Download PDFInfo
- Publication number
- CN1866684A CN1866684A CNA2005101171713A CN200510117171A CN1866684A CN 1866684 A CN1866684 A CN 1866684A CN A2005101171713 A CNA2005101171713 A CN A2005101171713A CN 200510117171 A CN200510117171 A CN 200510117171A CN 1866684 A CN1866684 A CN 1866684A
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- CN
- China
- Prior art keywords
- eccentric
- ring layer
- graph line
- line ring
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
- H02K7/063—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses integrally combined with motor parts, e.g. motors with eccentric rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
Abstract
An eccentric rotor and a vibration motor having the rotor are disclosed. In one embodiment, the eccentric rotor comprises: a board with an insertion hole, patterned coil layers on the upper portion of the board having multiple patterned coils and stacked in several layers, and commutators formed on the lower portion of the board electrically connected to the patterned coils and formed in integer multiples of the patterned coils, wherein the board is eccentric with regards to the insertion hole. In one embodiment, the eccentric rotor and vibration motor having the rotor can significantly increase the amount of vibration even with a small volume, as well as reduce manufacture time and costs.
Description
Technical field
The present invention relates to a kind of eccentric rotor and have the vibration motor of described eccentric rotor, and relate in particular to eccentric rotor and the vibration motor of a kind of use pattern coil (pattern coil).
Background technology
Vibration motor with eccentric rotor has extensive use as the equipment that receives incoming call at present in mobile phone and PDA etc., and along with the reducing of telecommunication apparatus size, and the demand of littler and more flat vibration motor is increased.
Fig. 1 is the sectional view that shows the structure of traditional vibration motor.The tradition vibration motor has carriage 1 in the bottom, an end of axostylus axostyle 9 inserts and be fixed to the center of carriage 1, and the other end of this axostylus axostyle is fixing by casing 8.Casing 8 plays the effect that other parts of protecting vibration motor are not subjected to external disturbance.Flexible board 12 with small thickness places the upside of carriage 1.
Have alternating N, S magnetic pole multi-pole magnet 2 centering flexible boards 12 around, and in the center cavity of magnet 2, be placed with a pair of brush 3 with specified angle, its low end is connected to flexible board 12.Specified location at axostylus axostyle 9 is inserted bearing 11, and inserts eccentric rotor 10 around described bearing.Placed the commutator 7 that contacts with brush 3 at the downside of rotor 10.
Fig. 2 a is the perspective view of the upside of the traditional eccentric rotor 10 of demonstration.
Shown in Fig. 2 a, rotor 10 has the plate 4 that scales off from flat circular plate, and a plurality of wound coils (wound coil) 5 of placing with specified angle are positioned at the upside of plate 4.Be used to increase the weight 13 of rotor 10 eccentricities between plate 4 upside wound coils 5.Wound coil 5 and weight 13 are fixed on the plate 4 by the die cavity (molded form) 6 of for example plastic or other material.
Fig. 2 b is the perspective view that shows the downside of traditional eccentric rotor 10.Shown in Fig. 2 b, the commutator 7 of writing board shape radially is arranged at around the rotating shaft of the rotor on plate 4 downsides.
In such vibration motor, along with the electric current from external power source is input to wound coil 5 by flexible board 12 and brush 3, rotor 10 will rotate by the mutual electro ultrafiltration between wound coil 5 and the magnet 2.Because rotor 10 supports by axostylus axostyle 9 is eccentric, the two ends of axostylus axostyle 9 are fixing by carriage 1 and casing 8, thus rotor 10 eccentric work, and this eccentric drive energy is delivered to carriage 1 by axostylus axostyle 9, thus cause vibrations.
Therefore, can see that the vibrating effect of vibration motor is that the weight unshapeliness that causes owing to weight 13 grades is concentrated and made rotor 10 eccentric generations.Therefore, need to increase the eccentricity of rotor 10 to obtain stronger vibrations.
As mentioned above, used wound coil 5 in the conventional rotors 10, but wound coil 5 needs very long production time and very high cost, and have suitable volume, thereby the volume that reduces rotor 10 and vibration motor is had difficulties.And the thickness of coil is generally very small, about 45～55 μ m, thus described coil usually blocks during production process, and caused the higher percent defective of wound coil 5.
And, because wound coil 5 must accurately connects with constant spacing at slave plate 4 centers, thus the accurate location of wound coil 5 be connected the problem that has caused manufacturing time and manufacturing cost increase.
And weight 13 is formed in the confined space on the plate 4, but because therefore weight 13 with wound coil 5 location, makes that the size that increases weight 13 has difficulties.Especially, under the situation of the size that increases weight 13 with the eccentricity of increase rotor 10, the performance reduction that reduces to cause rotor 10 of wound coil 5 sizes.Therefore, shown in Fig. 2 a, rotor 10 is positioned between the wound coil 5 with finite size, and the eccentricity that increases rotor 10 has difficulties.
Summary of the invention
Propose the present invention addressing the above problem, and an object of the present invention is to provide a kind of vibration motor that improves the eccentric rotor of vibrations performance and have described eccentric rotor thus.Another object of the present invention provides a kind of vibration motor that reduces the eccentric rotor of production time and cost and have described eccentric rotor.
To achieve these goals, realize the present invention by following execution mode.
Eccentric rotor according to one embodiment of the present invention comprises: the plate with patchhole; In the graph line ring layer that the upside of described plate forms, have a plurality of pattern coil and be stacked in the several layers; And the commutator that forms at the downside of described plate, described commutator is electrically connected to described pattern coil and quantity is the integral multiple of described pattern coil; Wherein said plate is eccentric with respect to described patchhole.
Eccentric rotor with above-mentioned composition utilizes the pattern coil of several layers to replace wound coil, thereby can reduce the size of described eccentric rotor and increase shock momentum, and reduces production time and cost.
Described eccentric rotor can be by being included in the weight that forms on the described graph line ring layer and described weight being fixed to the connector of described graph line ring layer and further increasing shock momentum.
The eccentric rotor of another execution mode comprises according to the present invention: the plectane with patchhole; In the graph line ring layer that the upside of described plate forms, have a plurality of pattern coil and be stacked in the several layers; At the commutator that the downside of described plate forms, described commutator is electrically connected to described pattern coil and quantity is the integral multiple of described pattern coil; Weight on the described graph line ring layer; And the connector that described weight is fixed to described graph line ring layer.
Described graph line ring layer is all piled up on the both sides of substrate continuously, has insulating barrier between described graph line ring layer.
Preferably, described pattern coil should radially be arranged on the described plate with constant space, and should pile up six layers or more multi-layered to increase the shock momentum of described eccentric rotor.Described weight preferably should be made by the high specific gravity material, tungsten for example, and align with the periphery of described plate, so that the shock momentum maximization.Described weight is that central angle is 180 ° or littler fan-shaped.
Described connector can form at an easy rate by the injection moulding (injection molding) of low-density plastic resin.And the thickness of described connector preferably should equal the thickness of described weight, thereby can reduce the volume of described rotor.
Vibration motor according to one embodiment of the present invention comprises: described eccentric rotor, and it constitutes as mentioned above; The axostylus axostyle that patchhole by described plate inserts; The shell at fixing described axostylus axostyle two ends; Be connected to described shell and have the magnet of two magnetic poles at least; And a pair of brush that in the center cavity of described magnet, forms and be connected to described commutator.Vibration motor with described structure not only can reduce the volume of described eccentric rotor, can also increase shock momentum.And,, therefore also have the additional effect that reduces production time and cost owing to do not use wound coil.
Preferably, described axostylus axostyle should be connected to described eccentric rotor by bearing arrangement, reducing the friction between described eccentric rotor and the axostylus axostyle, thereby described rotor is rotated more reposefully.Simultaneously, the downside of described eccentric rotor should support by the packing ring that is inserted on the described axostylus axostyle, to prevent that described eccentric rotor is subjected to displacement when described vibration motor is subjected to impacting.Preferably, described pattern coil should be provided with 60 ° interval, and described magnet should magnetize according to 4 alternating N/S magnetic pole, thereby makes the shock momentum maximization of described eccentric rotor.
Description of drawings
Fig. 1 is the sectional view of traditional vibration motor;
Fig. 2 a is the perspective view of the upside of the traditional eccentric rotor of demonstration;
Fig. 2 b is the perspective view of the downside of the traditional eccentric rotor of demonstration;
Fig. 3 is for showing the sectional view according to the vibration motor of one embodiment of the present invention;
Fig. 4 a is the perspective view of demonstration according to the upside of the eccentric rotor of one embodiment of the present invention;
Fig. 4 b is the perspective view of demonstration according to the downside of the eccentric rotor of one embodiment of the present invention;
Fig. 5 is the plane graph according to the graph line ring layer of one embodiment of the present invention;
Fig. 6 is the sectional view according to the graph line ring layer of one embodiment of the present invention;
Fig. 7 a is for showing the perspective view of the upside of the eccentric rotor of another execution mode according to the present invention;
Fig. 7 b is for showing the perspective view of the downside of the eccentric rotor of another execution mode according to the present invention;
Fig. 8 is the sectional view of the vibration motor of another execution mode according to the present invention;
Fig. 9 is the plane graph according to the graph line ring layer of one embodiment of the present invention.
The graphical sysmbol of critical piece in the accompanying drawing:
21: shell 25: magnet 27: printed circuit board (PCB)
29: brush 31: axostylus axostyle 33: eccentric rotor
331: plate 333: commutator 334: weight
335: connector 332: pattern coil 338: the graph line ring layer
35: bearing 37: packing ring
Embodiment
Below with reference to accompanying drawing eccentric rotor according to the present invention and the execution mode with vibration motor of described rotor are described in more detail.
Fig. 3 is the sectional view that shows according to the vibration motor of one embodiment of the present invention.As shown in Figure 3, vibration motor according to one embodiment of the present invention comprises: the shell 21 with carriage 22 and casing 23, be fixed to the axostylus axostyle 31 of shell 21, be inserted into eccentric rotor 33 on the axostylus axostyle 31 by bearing arrangement 35, the packing ring 37 that is inserted on the axostylus axostyle 31 and the downside of eccentric rotor 33 is supported, be connected to the annular magnetic 25 of carriage 22, be positioned at the printed circuit board (PCB) 27 on the carriage 22, and with the following side contacts of eccentric rotor 33 and electric current is sent to the brush 29 of eccentric rotor 33 from printed circuit board (PCB) 27.
Shell 21 portion within it holds magnet 25, printed circuit board (PCB) 27, brush 29, axostylus axostyle 31, eccentric rotor 33, bearing 35 and packing ring 37, and is made up of carriage 22 and casing 23.
As shown in Figure 3, be formed with carriage groove 22a at carriage 22 centers, an end of axostylus axostyle 31 is inserted among the described groove 22a.Carriage groove 22a is inserted and be fixed in the lower end of axostylus axostyle 31.Upside at carriage 22 is provided with printed circuit board (PCB) 27, and on printed circuit board (PCB) 27 annular magnetic 25 is set.Carriage 22 is connected to casing 23.
Be formed with tank recess 231 at the center of casing 23, the other end of axostylus axostyle 31 is inserted in the described groove 231.Tank recess 231 is inserted and be fixed in the upper end of axostylus axostyle 31.The downside of casing 23 separates constant distance with the connector 335 of eccentric rotor 33.
Magnet 25 is positioned at the upside of carriage 22.Magnet 25 is circular, and has placed brush 29 and axostylus axostyle 31 in the chamber within it.Magnet 25 has at least two magnetic poles.In order to increase the electromagnetic force of eccentric rotor 33, preferably make magnet 25 have four or more magnetic poles.Magnet 25 has the alternating N utmost point and the S utmost point of same intensity.Magnet 25 forms magnetic fields, and this magnetic field interacts with the electric field that pattern coil 332 by eccentric rotor 33 forms, produces electromagnetic force according to the Fu Linming left hand rule, and this electromagnetic force drives eccentric rotor 33 and works.
The two ends of axostylus axostyle 31 are pressed into and are fixed to tank recess 23a and carriage groove 22a, thereby play the effect of supporting eccentric rotor 33 when eccentric rotor 33 rotations.Bearing 35 is inserted and fixed on the assigned address of axostylus axostyle 31, makes that the rotation of eccentric rotor 33 is more steady.Bearing 35 is inserted on the axostylus axostyle 31 and is supported by packing ring 37, and the connector 335 of the patchhole 331a by placing eccentric rotor 33 is connected to eccentric rotor 33.
A pair of brush 29 is positioned at magnet 25, and each a brush all end is electrically connected to printed circuit board (PCB) 27, and the other end contacts with commutator (333 ' among 333 among Fig. 4 b or Fig. 7 b) on eccentric rotor 33 opposite sides.Brush 29 plays the effect that electric current is sent to commutator 333 from printed circuit board (PCB) 27.
Packing ring 37 inserts and is fixed on the axostylus axostyle 31.The following side contacts of packing ring 37 and eccentric rotor 33 or bearing 35, and play the effect of supporting eccentric rotor 33.Therefore, even when vibration motor stands external impact, eccentric rotor 33 can not depart from its home position yet, because eccentric rotor 33 is subjected to the support of packing ring 37.
Fig. 4 a and Fig. 4 b are that demonstration is according to the upside of the eccentric rotor 33 of one embodiment of the present invention and the perspective view of downside.
Shown in Fig. 3 to Fig. 4 b, eccentric rotor 33 comprises: plate 331, be formed with patchhole 331a on it, axostylus axostyle 31 inserts this and inserts in the hole, the several layers graph line ring layer 338 of plate 331 upsides, the weight 334 that forms on the graph line ring layer 338 is used for weight 334 is fixed to the connector 335 of graph line ring layer 338, and is formed at the flat commutator 333 around the patchhole 331a along the opposite side periphery of plate 331.
Axostylus axostyle 31 passes plate 331 and inserts, and is formed with graph line ring layer 338 on the plate 331, and plate 331 supports weight 334.Got out patchhole 331a at the center of plate 331, axostylus axostyle 31 passes this patchhole and inserts.The plate 331 that is formed with graph line ring layer 338 above can have Any shape, as long as axostylus axostyle 31 can be fixed and can produce eccentricity when rotated.For example, plate 331 can have circular or semicircular cross section.That is to say, plate 331 form have semi-circular cross-section after, can produce eccentricity by the shape graph of a correspondence coil layer 338 that forms with plate 331.And for the intensity of the electric field that increases the magnetic field interaction that produces with magnet 25, plate 331 can have round-shaped, shown in the execution mode that Fig. 7 a and Fig. 7 b show.
In the present embodiment, plate 331 forms has semi-circular shape, and correspondingly forms graph line ring layer 338.
Each commutator 333 is electrically connected to pattern coil 332 by conductive pattern (electrically conductive pattern) 336, and commutator 333 contacts with brush 29.Therefore, the electric current by brush 29 inputs flows through commutator 333 and is input to pattern coil 332.
Graph line ring layer 338 is the pattern coil that form by photoetching (photolithography) or thick-film technique (thick filmprocess).Each graph line ring layer 338 has the some pattern coil 332 that form with constant space, as shown in Figure 5.
Fig. 6 is the sectional view according to the graph line ring layer 338 of one embodiment of the present invention.As shown in Figure 6, described graph line ring layer comprises: as the substrate 338a of basic material; Be stacked on the Copper Foil 338b on any side of substrate 338a, be formed with described pattern coil on the Copper Foil 338b; And be stacked on insulating barrier 338c on the Copper Foil 338b.
The sandwich construction of graph line ring layer 338 can form by repeatedly stacking Copper Foil 338b and insulating barrier 338c.Certainly, this is not the sole mode that piles up graph line ring layer 338.Graph line ring layer 338 can be by piling up the graph line ring layer and insulating barrier forms continuously on a side of substrate.
Because graph line ring layer 338 is extremely thin, have the thickness (and width is 0.03-0.07mm) of 0.02-0.05mm, therefore have and pile up several layers but can not make it have the advantage of significant volume.Graph line ring layer 338 preferably should be by 6 layers or more multi-layered formation to strengthen the electric field that is produced by pattern coil 338.
As shown in Figure 5, single graph line ring layer 338 should preferably be formed by a plurality of pattern coil 332, affacts torque on the eccentric rotor 33 with increase.
Maximum when described eccentricity is 180 ° at the central angle of weight 334, but this central angle can change as required.Yet if the central angle of weight 334 greater than 180 °, can be offset eccentricity greater than the quality of 180 ° angle correspondences, thereby preferred described central angle is 180 ° or littler.And, weight 334 preferably should with the outermost peripheral of plate 331, i.e. the external boundary of plate 331 alignment is with further increase eccentricity.Weight 334 is connected to pattern coil 332 by connector 335.
Fig. 7 a and Fig. 7 b are for showing the upside of the eccentric rotor of another execution mode and the perspective view of downside according to the present invention.Fig. 7 a is identical with the eccentric rotor 33 shown in Fig. 4 a and Fig. 4 b except the formation of plate 331 ' and graph line ring layer 338 ' with the eccentric rotor 33 ' shown in Fig. 7 b.Below, plate 331 ' and graph line ring layer 338 ' only are discussed.Plate 331 ' has circular cross section, and the center has patchhole 331a '.Round-shaped by plate 331 ' is had, the graph line ring layer 338 ' that plate 331 ' is gone up formation also can have round-shaped, and the torque of eccentric rotor 33 ' can be bigger thus.Because plate 331 ' does not have eccentricity around centre bore 331a ', therefore need weight 334 ' to produce eccentricity.
Graph line ring layer 338 ' is arranged on the circular slab 331 ' with equidistant from distance.As shown in Figure 9, some pattern coil 332a, 332b, 332c, 332d, 332e, 332f go up with 60 ° of spacing settings in single graph line ring layer 338 ', thereby magnet 25 preferably should have four alternating poles to increase electromagnetic force.Certainly, the pattern coil 332 ' that is arranged on one deck can change as required.And each pattern coil 332 ' is electrically connected to commutator 333 '.The quantity of commutator 333 ' is the integral multiple of pattern coil 332 ' quantity.
Although described technological thought of the present invention with reference to the execution mode of particular exemplary, the present invention only make an explanation by these execution modes and and unrestricted.It will be understood by those skilled in the art that under the condition that does not deviate from the technology of the present invention thought the technical scheme in the scope of the invention can be with various
Execution mode is realized.
Industrial applicibility
By the structure that proposes above, the present invention can produce following effect:
The present invention can provide the eccentric rotor with smaller size smaller and high vibrations performance and have that this is inclined to one side The vibration motor of heart rotor.
The present invention can provide the eccentric rotor that has reduced production cost and time and have this eccentric rotor Vibration motor.
Claims (15)
1. eccentric rotor comprises:
Plate with patchhole;
In the graph line ring layer that described plate upside forms, described graph line ring layer has a plurality of pattern coil and is stacked in the several layers; And
At the commutator that described plate downside forms, described commutator is electrically connected to described pattern coil and quantity is the integral multiple of described pattern coil;
Wherein said plate is eccentric with respect to described patchhole.
2. eccentric rotor according to claim 1 further comprises:
Weight on described graph line ring layer; And
Described weight is fixed to the connector of described graph line ring layer.
3. eccentric rotor comprises:
Circular slab with patchhole;
In the graph line ring layer that described plate upside forms, described graph line ring layer has a plurality of pattern coil and is stacked in the several layers;
At the commutator that described plate downside forms, described commutator is electrically connected to described pattern coil and quantity is the integral multiple of described pattern coil;
Weight on described graph line ring layer; And
Described weight is fixed to the connector of described graph line ring layer.
4. according to any one described eccentric rotor in the claim 1 to 3, wherein said graph line ring layer is stacked on the both sides of substrate continuously, has insulating barrier between described graph line ring layer.
5. eccentric rotor according to claim 1, wherein said pattern coil radially is provided with constant space.
6. according to claim 1 or 3 described eccentric rotors, wherein said pattern coil be stacked on six layers or more multi-layered in.
7. according to claim 2 or 3 described eccentric rotors, wherein said weight is made of tungsten.
8. according to claim 2 or 3 described eccentric rotors, wherein said weight aligns with the external boundary of described plate.
9. according to claim 2 or 3 described eccentric rotors, wherein said weight is that central angle is 180 ° or littler fan-shaped.
10. according to claim 2 or 3 described eccentric rotors, the thickness of wherein said connector equals the thickness of described weight.
11. according to claim 2 or 3 described eccentric rotors, the plastic resin of wherein said connector for forming by injection moulding.
12. a vibration motor that has according to claim 1 or 3 described eccentric rotors comprises:
The axostylus axostyle that patchhole by described plate inserts;
The shell at fixing described axostylus axostyle two ends;
Be connected to described shell and have the magnet of at least two magnetic poles; And
The a pair of brush that forms in the center cavity of described magnet, described brush is connected to described commutator.
13. vibration motor according to claim 12, wherein said axostylus axostyle inserts described patchhole by bearing arrangement.
14. vibration motor according to claim 12, wherein said eccentric rotor supports by the packing ring that is inserted on the described axostylus axostyle.
15. vibration motor according to claim 12, wherein said pattern coil are with 60 ° of spacing settings, and described magnet is by four alternating N/S magnetic pole magnetization.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050040612A KR100663262B1 (en) | 2005-05-16 | 2005-05-16 | Eccentric Rotor and Vibration Motor Having the Rotor |
| KR1020050040612 | 2005-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1866684A true CN1866684A (en) | 2006-11-22 |
Family
ID=37311219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101171713A Pending CN1866684A (en) | 2005-05-16 | 2005-11-01 | Eccentric rotor and vibration motor having the rotor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060255670A1 (en) |
| JP (1) | JP4184372B2 (en) |
| KR (1) | KR100663262B1 (en) |
| CN (1) | CN1866684A (en) |
| DE (1) | DE102005041878A1 (en) |
| FR (1) | FR2885747A1 (en) |
| TW (1) | TW200642234A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242514A (en) * | 2014-09-22 | 2014-12-24 | 叶青 | Rotation permanent magnet vibrator |
| CN110235344A (en) * | 2017-01-25 | 2019-09-13 | 日本电产科宝株式会社 | Electromagnetic actuator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558546A (en) * | 2007-10-16 | 2009-10-14 | Lg伊诺特有限公司 | Rotor and vibration motor |
| KR100901117B1 (en) * | 2008-09-24 | 2009-06-05 | 영백씨엠 주식회사 | Coin type vibration motor |
| KR101052336B1 (en) * | 2009-08-31 | 2011-07-27 | 한국표준과학연구원 | Rotary vibration |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096455A (en) * | 1962-03-08 | 1963-07-02 | Basic Motor Developments Inc | Printed disc electrical machinery |
| US3737697A (en) * | 1971-09-30 | 1973-06-05 | Matsushita Electric Ind Co Ltd | Commutator motor |
| JPH0669005B2 (en) * | 1986-02-13 | 1994-08-31 | ソニー株式会社 | Multi-layer sheet coil |
| JPH05168196A (en) * | 1991-12-17 | 1993-07-02 | Nec Corp | Motor for generation of oscillation |
| KR100292162B1 (en) * | 1999-03-17 | 2001-06-01 | 이형도 | Flat type vibration motor |
| US6246143B1 (en) * | 2000-03-20 | 2001-06-12 | Tokyo Parts Industrial Co., Ltd. | Flat coreless vibrator motor using magnetic latching power |
| JP3393847B2 (en) * | 2000-06-19 | 2003-04-07 | 東京パーツ工業株式会社 | Rotor having printed wiring commutator member and flat motor provided with the rotor |
| KR20020006280A (en) * | 2000-07-12 | 2002-01-19 | 이형도 | Flat type-vibration motor |
| JP2002210410A (en) * | 2001-01-18 | 2002-07-30 | Tokyo Parts Ind Co Ltd | Axially gapped eccentric rotor provided with halt position holding means and flat coreless vibration motor using the eccentric rotor |
| KR200268109Y1 (en) * | 2001-12-06 | 2002-03-15 | 김정훈 | Flat noncommutator vibration motor |
| KR100431061B1 (en) * | 2002-03-22 | 2004-05-10 | 삼성전기주식회사 | Vibration motor |
| KR100519811B1 (en) * | 2003-06-20 | 2005-10-10 | 삼성전기주식회사 | Vibration motor |
| US7088022B2 (en) * | 2003-11-10 | 2006-08-08 | Tokyo Parts Industrial Co., Ltd. | Axial air-gap vibration motor |
-
2005
- 2005-05-16 KR KR1020050040612A patent/KR100663262B1/en not_active IP Right Cessation
- 2005-09-02 DE DE102005041878A patent/DE102005041878A1/en not_active Ceased
- 2005-09-12 TW TW094131367A patent/TW200642234A/en unknown
- 2005-09-14 FR FR0509395A patent/FR2885747A1/en not_active Withdrawn
- 2005-09-29 US US11/240,150 patent/US20060255670A1/en not_active Abandoned
- 2005-10-12 JP JP2005298007A patent/JP4184372B2/en not_active Expired - Fee Related
- 2005-11-01 CN CNA2005101171713A patent/CN1866684A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242514A (en) * | 2014-09-22 | 2014-12-24 | 叶青 | Rotation permanent magnet vibrator |
| CN110235344A (en) * | 2017-01-25 | 2019-09-13 | 日本电产科宝株式会社 | Electromagnetic actuator |
| CN110235344B (en) * | 2017-01-25 | 2022-01-28 | 日本电产科宝株式会社 | Electromagnetic actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060255670A1 (en) | 2006-11-16 |
| KR20060118637A (en) | 2006-11-24 |
| JP4184372B2 (en) | 2008-11-19 |
| KR100663262B1 (en) | 2007-01-02 |
| DE102005041878A1 (en) | 2006-11-23 |
| FR2885747A1 (en) | 2006-11-17 |
| TW200642234A (en) | 2006-12-01 |
| JP2006325384A (en) | 2006-11-30 |
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